Bug 1435: [IcedTea7] OpenJDK 7 returns incorrect TrueType font metrics

[Andrew Hughes]

----- Original Message -----
> Hi Andrew,
> 
> Thank you for replying.
> 
> I've booked this issue as:
>    Bug 1659: [IcedTea7] OpenJDK 7 returns incorrect TrueType font metrics
>    when bold style is set
> 
> If my patch is reviewed, I want to push this to IcedTea7 and
> relase/icedtea7-forest-2.4 .
> So I need reviewers for this.
> Could you review this ?
> 

I can, though someone like Mario or Roman might know this area better.

> 
> Thanks,
> 
> Yasumasa
> 
> 
> On 2014/01/30 19:26, Andrew Hughes wrote:
> >
> >
> > ----- Original Message -----
> >> Hi all,
> >>
> >> My customer encountered this issue.
> >> Status of this issue is resolved. However, if bold style is set,
> >> this issue is appeared yet.
> >>
> >> I read source code of "freetype-2.5.0-4.fc20" .
> >> Bold style should not affect FontFace. However, current implementation
> >> of OpenJDK affects it to Font Glyph. Thus value of Ascent/Descent is
> >> incorrect.
> >>
> >> I've made patch for this issue as "fontScaler.patch" which is attached
> >> on this email. Could you review this ?
> >>
> >> This issue is also booked in JBS as JDK-8017773: OpenJDK7 returns
> >> incorrect
> >> TrueType font metrics . I think my patch will be fixed this issue too.
> >>
> >> https://bugs.openjdk.java.net/browse/JDK-8017773
> >>
> >>
> >> BTW, I have few questions:
> >>
> >>   1. Can I reopen Bug 1435 ? Or should I book this as new issue ?
> >>
> >
> > New issue please.
> >
> >>   2. I am commiter of HeapStats which is hosted in IcedTea.
> >>      If my patch is reviewed, can I commit this ?
> >>
> >
> > Yes.
> >
> >>   3. If answer of 2. is "Yes", where should I push this ?
> >>      relase/icedtea7-forest-2.4 ?  ivedtea7 ?
> >>
> >
> > IcedTea7 and probably 2.4 as well, but will depend on review.
> >
> >>   4. Can we (HeapStats committers) be a reviewer of IcedTea7 ?
> >>
> >
> > Anyone can.
> >
> >>
> >> Thanks,
> >>
> >> Yasumasa
> >>
> >> ------ D E T A I L S ------
> >>
> >> I've created testcase as "JavaApplication1.java" .
> >> Result as:
> >>
> >> OracleJDK 6 Update 31
> >> ----------------
> >> [root at RHEL6-5 font]# /usr/local/jdk1.6.0_31/bin/java JavaApplication1
> >> JDK: 1.6.0_31
> >>      VM: Java HotSpot(TM) 64-Bit Server VM
> >>
> >> java.awt.Font[family=IPAMincho,name=IPAMincho,style=plain,size=50]
> >>       Ascent:  43.99414
> >>       Descent: 6.0058594
> >>
> >> java.awt.Font[family=IPA明朝,name=IPAMincho,style=bold,size=50]
> >>       Ascent:  43.99414
> >>       Descent: 6.0058594
> >> ----------------
> >>
> >> OpenJDK7 (in RHEL6.5)
> >> ----------------
> >> [root at RHEL6-5 font]# java JavaApplication1
> >> JDK: 1.7.0_45
> >>      VM: OpenJDK 64-Bit Server VM
> >>
> >> java.awt.Font[family=IPAMincho,name=IPAMincho,style=plain,size=50]
> >>       Ascent:  43.99414
> >>       Descent: 6.0058594
> >>
> >> java.awt.Font[family=IPA明朝,name=IPAMincho,style=bold,size=50]
> >>       Ascent:  45.60547
> >>       Descent: 4.3945312
> >> ----------------
> >>
> >
> 
> 

-- 
Andrew :)

Free Java Software Engineer
Red Hat, Inc. (http://www.redhat.com)

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